Home / 49,539.73-68,364.83-28,319.45

Finding the Fourth Proportional to 49,539.73, 68,364.83 and 28,319.45

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Solution

The fourth proportional to 49,539.73, 68,364.83 and 28,319.45 is: 39,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539.73 : 68,364.83 = 28,319.45 : x
  2. Step 2: Convert to fraction form
    49,539.73/68,364.83 = 28,319.45/x
  3. Step 3: Cross multiply
    49,539.73x = 68,364.83 × 28,319.45
  4. Step 4: Simplify right side
    49,539.73x = 1,936,054,146.90
  5. Step 5: Solve for x
    x = 1,936,054,146.90/49,539.73
  6. Step 6: Final answer
    x = 39,080.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.